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PTH-Related Protein (PTHRP)
Test CodeLAB704
Quest Code
34478
CPT Codes
83519
Preferred Specimen
0.5 mL plasma collected in a sodium heparin (green-top) tube
Minimum Volume
0.3 mL
Instructions
Sodium heparin tubes: Centrifuge the specimen as soon as possible.
Transfer the plasma to a transport tube. Mark the specimen type as plasma on the transport tube. Do not submit unspun tubes.
Transfer the plasma to a transport tube. Mark the specimen type as plasma on the transport tube. Do not submit unspun tubes.
Transport Container
Sodium heparin green top tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Whole blood received
Methodology
Immunoassay (IA)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
P. M. Tues-fri
Report Available
3 days
Reference Range
11-20 pg/mL
Clinical Significance
Differential diagnosis of hypercalcemia; manage patients with solid tumors and hypercalcemia.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
